MATHEMATICS MIDDLE SCHOOL

Sally's soccer team won 68% of the games they played. if they won 17 games, how many did they play?

Answers

Answer 1
Answer:

Answer:

Step-by-step explanation:

Let the number of games played be x.  68% of x comes out to 17 games.

Then 0.68x = 17.  Mult. both sides by 100:  68x = 1700.

Divide 68 into 1700 to obtain x, the number of games played:  x = 25

The team plays in 25 games.

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Which of the following ordered pairs represents a solution to the linearinequality y > 2x - 3?
O A. (3,2)
O B. (9,12)
O C. (4,4)
O D. (2,5)

Answers

Answer:

O D. (2,5)

Step-by-step explanation:

y > 2x - 3

Substitute the points into the inequality and see if it is true

(3,2)

2 > 2(3) - 3

2> 6-3

2>3  False

(9,12)

12 > 2(9) - 3

12> 18-3

12>15  False

(4,4)

4 > 2(4) - 3

4> 8-3

4>5  False

(2,5)

5 > 2(2) - 3

5> 4-3

5>1  True

Answer:D

Step-by-step explanation:

Kylie invested $7,800 in an account paying an interest rate of 2.6% compoundedcontinuously. Assuming no deposits or withdrawals are made, how much money, to
the nearest ten dollars, would be in the account after 7 years?
​

Answers

Answer:

Step-by-step explanation: lol

Double my tens digit to get my one digit. Doble me and i am less then 50

Answers

Well there are actually multiple answers for this, for example, 24, if you think about it, then you should be able to get many answers.

A jewelry stand sells 5 different pairs of earrings. The earrings sell for $12, $9, $6, $8, and $10.What is the mean absolute deviation of the prices? Round to the nearest cent, if necessary.

$______

Answers

The answer is $1.6

Step 1. Find the mean of all values (X = ?).
Step 2. Find the distance of all values from the mean (d1, d2, d3, d4, d5).
Step 3. Find the mean of distances (D).

x1 = $12
x2 = $9
x3 = $6
X4 = $8
x5 = $10

Step 1.
X = (x1 + x2 + x3 + x4 + x5)/5
    = (12 + 9 + 6 + 8 + 10)/5
    = 45/5
    = $9

Step 2.
d1 = 12 - 9 = 3
d2 = 9 - 9 = 0
d3 = 9 - 6 = 3
d4 = 9 - 8 = 1
d5 = 10 - 9 = 1

Step 3.
D = (d1 + d2 + d3 + d4 + d5)/5
    = (3 + 0 + 3 + 1 + 1)/5
    = 8/5
    = $1.6

I need help on my math homework.A hairdresser is considering ordering a certain shampoo. Company A charges $4 per 8-oz bottle plus a $10 handling fee per order. Company B charges $3 per 8-oz bottle plus a $25 handling fee per order. How many bottles must the hair dresser buy to justify using Company B? (Answer in a complete sentence.)

I don't know what justify using company B means. Can someone help me?

Answers

hi tissuebox, 

let x= the number of bottles the customers buys

first, lets consider how many bottles the customer must buy for the price to be the same no matter which company.

4x+10=3x+25
.
.
.
x=15, so at 15 bottles, the cost is the same for either company. At this point you look at x=16, one bottle higher, to compare costs, seeing that for company A this is $74 while for company B this is $73, so at 16 bottles company B is cheaper 

which container hold the most? a. cylinder with a radius of 5 in and a height of 15 in b. sphere with a radius 6in c. come with a radius of 8in and a height of 15in

Answers

Vcylinder=hpir^2 Vsphere=(4/3)pir^3 Vcone=(1/3)hpir^2 Vcylinder=15*pi*5^2=375pi in^3 Vsphere=(4/3)*pi*6^3=288pi in^3 Vcone=(1/3)*15*pi*8^2=320pi in^3 greatest is Vcylinder at 375pi in^3 answer is A (cylinder)
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